Sunspot region AR8174
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/03/07 | 2 | 10 | BXO | S17E50 | |
| 1998/03/08 | 6 | 40 | CRO | S17E37 | |
| 1998/03/09 | 8 | 50 | CSO | S19E25 | |
| 1998/03/10 | 9 | 50 | DSO | S17E11 | |
| 1998/03/11 | 6 | 30 | CSO | S18W01 | |
| 1998/03/12 | 5 | 30 | CRO | S18W16 | |
| 1998/03/13 | 2 | 0 | BXO | S17W31 | |
| 1998/03/14 | 1 | 0 | AXX | S17W44 | |
| 1998/03/15 | 1 | 0 | AXX | S17W58 |
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Complex sunspot region 4366
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/13 | M1.19 |
| Last geomagnetic storm | 2026/03/13 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 83.5 +5.3 |
| Last 30 days | 58.3 -70.3 |